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#1 2018-04-22 16:41

VolodVer
Member
Registered: 2018-03-27
Posts: 20

No sound on LG 27MT93V

I have desktop system (MB: Gigabyte H61M-D2-B3) whith LG 27MT93V, connected DVI -> HDMI IN (LG) and Audio out -> Audio In, but dosn't sound.  If you connect the headphones, there is a sound in the headphones. What's problem?

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#2 2018-04-23 09:27

Dai_trying
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From: UK
Registered: 2015-12-14
Posts: 2,274
Website

Re: No sound on LG 27MT93V

Have you checked that none of the outputs are muted? As you already have sound through the headphones I would imagine it to be something like that. Make sure to check the dropdown menu of kmixer (top right) to check all devices.

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#3 2018-04-23 09:48

VolodVer
Member
Registered: 2018-03-27
Posts: 20

Re: No sound on LG 27MT93V

Everything is checked, no problems detected

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#4 2018-04-23 10:55

q4osteam
Q4OS Team
Registered: 2015-12-06
Posts: 1,822
Website

Re: No sound on LG 27MT93V

You could also check settings in "Pulseaudio Volume control" application, it's available from the start menu.

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#5 2018-04-23 17:09

VolodVer
Member
Registered: 2018-03-27
Posts: 20

Re: No sound on LG 27MT93V

how to add pictures?

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#6 2018-04-23 17:23

Dai_trying
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From: UK
Registered: 2015-12-14
Posts: 2,274
Website

Re: No sound on LG 27MT93V

You can either attach them as a file to a post (if they are small enough) or use an image hosting company like imgur (there are many others too) and then post the link or embed it in the post.

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#7 2018-04-23 17:31

VolodVer
Member
Registered: 2018-03-27
Posts: 20

Re: No sound on LG 27MT93V

!

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#8 2018-04-23 17:37

Dai_trying
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From: UK
Registered: 2015-12-14
Posts: 2,274
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Re: No sound on LG 27MT93V

VolodVer wrote:

!

???

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#9 2018-04-23 17:42

VolodVer
Member
Registered: 2018-03-27
Posts: 20

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#10 2018-04-23 17:47

Dai_trying
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From: UK
Registered: 2015-12-14
Posts: 2,274
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Re: No sound on LG 27MT93V

Have you tried raising the level of "line"?

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#11 2018-04-23 18:00

VolodVer
Member
Registered: 2018-03-27
Posts: 20

Re: No sound on LG 27MT93V

Dai_trying wrote:

Have you tried raising the level of "line"?

Yes

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#12 2018-04-23 18:23

Dai_trying
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From: UK
Registered: 2015-12-14
Posts: 2,274
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Re: No sound on LG 27MT93V

I can't see anything else that looks out of place, and if you can get sound from the headphones I can see no reason it should not work... Obviously you have tried the sound settings on your tv haven't you?

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#13 2018-04-23 18:46

VolodVer
Member
Registered: 2018-03-27
Posts: 20

Re: No sound on LG 27MT93V

Dai_trying wrote:

I can't see anything else that looks out of place, and if you can get sound from the headphones I can see no reason it should not work... Obviously you have tried the sound settings on your tv haven't you?

Everything is fine, but there is no sound on the monitor / TV

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#14 2018-04-23 19:13

Dai_trying
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From: UK
Registered: 2015-12-14
Posts: 2,274
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Re: No sound on LG 27MT93V

Have you tried any other distros to see if this is happening with them?

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#15 2018-04-23 19:28

VolodVer
Member
Registered: 2018-03-27
Posts: 20

Re: No sound on LG 27MT93V

Dai_trying wrote:

Have you tried any other distros to see if this is happening with them?

So. Only Windows is sounding without problems.

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#16 2018-04-23 21:36

Dai_trying
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From: UK
Registered: 2015-12-14
Posts: 2,274
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Re: No sound on LG 27MT93V

Does that mean you have tried another Linux distribution that also didn't work? or have you not tried another Linux on that system?

Did you try the Live-Cd to see if that works? If it does then we would need to work out what to change with your system to make it work, and if not then you could try another distro Live-Cd to see if that works which might tell us if this is a Q4OS specific problem or not.

Also could you post the output of inxi -F

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#17 2018-04-24 15:44

VolodVer
Member
Registered: 2018-03-27
Posts: 20

Re: No sound on LG 27MT93V

Dai_trying wrote:

Does that mean you have tried another Linux distribution that also didn't work? or have you not tried another Linux on that system?

Did you try the Live-Cd to see if that works? If it does then we would need to work out what to change with your system to make it work, and if not then you could try another distro Live-Cd to see if that works which might tell us if this is a Q4OS specific problem or not.

Also could you post the output of inxi -F


1) The Live-CD Sound dosn't works Ubuntu 16.04, Linux Mint 18.

2) inxi -F

System:    Host: dts1 Kernel: 4.9.0-6-amd64 x86_64 (64 bit) Desktop: KDE Plasma 3
           Distro: Debian GNU/Linux 9 (stretch)
Machine:   Device: desktop Mobo: Gigabyte model: H61M-D2-B3 v: x.x BIOS: Award v: F10 date: 03/27/2012
CPU:       Dual core Intel Core i3-2120 (-HT-MCP-) cache: 3072 KB
           clock speeds: max: 3300 MHz 1: 2083 MHz 2: 1599 MHz 3: 2215 MHz 4: 1983 MHz
Graphics:  Card: Intel 2nd Generation Core Processor Family Integrated Graphics Controller
           Display Server: X.Org 1.19.2 drivers: modesetting (unloaded: fbdev,vesa)
           Resolution: 1920x1080@60.00hz
           GLX Renderer: Mesa DRI Intel Sandybridge Desktop GLX Version: 3.0 Mesa 13.0.6
Audio:     Card-1 Intel 6 Series/C200 Series Family High Definition Audio Controller driver: snd_hda_intel
           Card-2 Logitech Webcam C270 driver: USB Audio
           Sound: Advanced Linux Sound Architecture v: k4.9.0-6-amd64
Network:   Card: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller driver: r8169
           IF: enp2s0 state: up speed: 100 Mbps duplex: full mac: 50:e5:49:29:34:c1
Drives:    HDD Total Size: 500.1GB (2.9% used)
           ID-1: /dev/sda model: SAMSUNG_HD502HJ size: 500.1GB
Partition: ID-1: / size: 30G used: 6.0G (22%) fs: ext4 dev: /dev/sda6
           ID-2: /home size: 191G used: 3.7G (3%) fs: ext4 dev: /dev/sda7
           ID-3: swap-1 size: 4.29GB used: 0.00GB (0%) fs: swap dev: /dev/sda5
Sensors:   System Temperatures: cpu: 26.0C mobo: N/A
           Fan Speeds (in rpm): cpu: N/A
Info:      Processes: 173 Uptime: 9 min Memory: 787.6/3872.3MB Client: Shell (bash) inxi: 2.3.5

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#18 2018-04-24 18:01

Dai_trying
Member
From: UK
Registered: 2015-12-14
Posts: 2,274
Website

Re: No sound on LG 27MT93V

I can't see anything obvious that would be causing this, I would probably try the newer kernel from the backports repository in case it has better support but if that fails too I am at a bit of a loss... And if it doesn't work with either Ubuntu or Mint then I would tend to think there could be a hardware issue.
I haven't used a DVI output before so am also wondering if the audio would normally go through that? I know it does with HDMI normally but not sure with DVI so just a bit of a wild guess...
Having just looked through the manual it seems you might need to use hdmi2 (ARC) port and not hdmi1 (MHL) although I don't know if it will make a difference but on the previous instructions for setting a normal hdmi -> hdmi connection it says you can use either hdmi port but with DVI -> HDMI it doesn't say that.

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#19 2018-04-25 05:53

bin
Member
From: U.K.
Registered: 2016-01-28
Posts: 568

Re: No sound on LG 27MT93V

DVI to HDMI audio is a very much a maybe.

If you're using a high end graphics card that supports it then yes it can work - provided linux driver ports will enable it.

It looks like you're using a standard on board video chip so that is the problem as Dai has identified.

The only option would be for you to use speakers connected to your PC audio output if you want to use DVI

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#20 2018-04-26 08:52

VolodVer
Member
Registered: 2018-03-27
Posts: 20

Re: No sound on LG 27MT93V

Dai_trying wrote:

I can't see anything obvious that would be causing this, I would probably try the newer kernel from the backports repository in case it has better support but if that fails too I am at a bit of a loss... And if it doesn't work with either Ubuntu or Mint then I would tend to think there could be a hardware issue.
I haven't used a DVI output before so am also wondering if the audio would normally go through that? I know it does with HDMI normally but not sure with DVI so just a bit of a wild guess...
Having just looked through the manual it seems you might need to use hdmi2 (ARC) port and not hdmi1 (MHL) although I don't know if it will make a difference but on the previous instructions for setting a normal hdmi -> hdmi connection it says you can use either hdmi port but with DVI -> HDMI it doesn't say that.

If you turn off HDMI on LG, then there is a sound on TV LG (Audio In)

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#21 2018-04-26 13:24

VolodVer
Member
Registered: 2018-03-27
Posts: 20

Re: No sound on LG 27MT93V

Dai_trying wrote:

I can't see anything obvious that would be causing this, I would probably try the newer kernel from the backports repository in case it has better support but if that fails too I am at a bit of a loss... And if it doesn't work with either Ubuntu or Mint then I would tend to think there could be a hardware issue.
I haven't used a DVI output before so am also wondering if the audio would normally go through that? I know it does with HDMI normally but not sure with DVI so just a bit of a wild guess...
Having just looked through the manual it seems you might need to use hdmi2 (ARC) port and not hdmi1 (MHL) although I don't know if it will make a difference but on the previous instructions for setting a normal hdmi -> hdmi connection it says you can use either hdmi port but with DVI -> HDMI it doesn't say that.


Installed Linux Mint, launched alsimixer, changed the sound card to the HDA Intel PCM, set the 6 channel in the settings, restarted and the sound worked. If you set 2 or 4 instead of Channel 6, there's no sound even in the headphones. It does not work on Q4OS.

Last edited by VolodVer (2018-04-26 13:25)

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